Procurement Zone

The Siemens SIRIUS 3RB2056-2FF2 solid-state overload relay is an S6 size relay with a Class 20E trip rating. It features a main circuit bus connection, a current setting of 50 to 200 amps, and triple protection against overload, phase loss, and imbalance. It is suitable for heavy-duty starting motor circuits.

The Siemens SIRIUS 3RB2056-2FC2 solid-state overload relay is an S6 size relay with a Class 20 trip rating. The main circuit bus connection allows direct mounting of 3RT1054 to 1056 series contactors. The auxiliary circuit uses screw terminals and features overload and phase loss protection.

The Siemens SIRIUS 3RB2056-1FW2 solid-state overload relay is an S6 size relay with a Class 10E tripping rating. The main circuit uses a through-type current transformer connection, and the auxiliary circuit uses screw terminals. It supports manual and automatic reset.

The Siemens SIRIUS 3RB2056-1FC2 solid-state overload relay is an S6 size, Class 10 tripping relay. It features a main circuit bus connection for direct mounting of 3RT1054 to 1056 series contactors, auxiliary circuit screw terminals, and overload and phase loss protection.